diff --git a/elements/interface-names/README.md b/elements/interface-names/README.md new file mode 100644 index 000000000..1d0b585a6 --- /dev/null +++ b/elements/interface-names/README.md @@ -0,0 +1,7 @@ +interface-names +=============== + +net.ifnames may be 0 in /etc/default/grub which can make generating a +configuration for the network interfaces difficult. The default in RHEL7 +was to not have this defined. The kernel args can be tuned later in the +deployment so we want to clean it out if it is defined in grub. diff --git a/elements/interface-names/install.d/70-clear-net-ifnames b/elements/interface-names/install.d/70-clear-net-ifnames new file mode 100755 index 000000000..d276decd1 --- /dev/null +++ b/elements/interface-names/install.d/70-clear-net-ifnames @@ -0,0 +1,10 @@ +#!/bin/bash + +set -eux +set -o pipefail + +if [ -f /etc/default/grub ]; then + # net.ifacenames is defined and set to 0 starting with RHEL8. + # This is a change from RHEL7 which can affect network configurations. + sed -i 's/net.ifnames=0//g' /etc/default/grub +fi diff --git a/elements/os-net-config/element-deps b/elements/os-net-config/element-deps index 8002f76a1..b4a5ec50d 100644 --- a/elements/os-net-config/element-deps +++ b/elements/os-net-config/element-deps @@ -3,3 +3,4 @@ os-refresh-config package-installs pip-manifest openvswitch +interface-names